WellQuasiOrder
π Source: Mathlib/Order/WellQuasiOrder.lean
Statistics
Finite
Theorems
| Name | Kind | Assumes | Proves | Validates | Depends On |
|---|---|---|---|---|---|
to_wellQuasiOrderedLE π | mathematical | β | WellQuasiOrderedLEPreorder.toLE | β | wellQuasiOrderedinstReflLe |
wellQuasiOrdered π | mathematical | β | WellQuasiOrdered | β | Set.Finite.exists_lt_map_eq_of_forall_meminstInfiniteNatSet.mem_univSet.finite_univrefl |
IsAntichain
Theorems
| Name | Kind | Assumes | Proves | Validates | Depends On |
|---|---|---|---|---|---|
finite_of_wellQuasiOrdered π | mathematical | IsAntichainWellQuasiOrdered | Set.Finite | β | LT.lt.neFunction.Embedding.injectiveSubtype.val_injectiveeq |
OrderIso
Theorems
| Name | Kind | Assumes | Proves | Validates | Depends On |
|---|---|---|---|---|---|
wellQuasiOrderedLE_iff π | mathematical | β | WellQuasiOrderedLE | β | RelIso.wellQuasiOrdered_iff |
Pi
Theorems
| Name | Kind | Assumes | Proves | Validates | Depends On |
|---|---|---|---|---|---|
wellQuasiOrderedLE π | mathematical | WellQuasiOrderedLEPreorder.toLE | hasLe | β | WellQuasiOrdered.piinstIsPreorderLeWellQuasiOrderedLE.wqo |
RelIso
Theorems
| Name | Kind | Assumes | Proves | Validates | Depends On |
|---|---|---|---|---|---|
wellQuasiOrdered_iff π | mathematical | β | WellQuasiOrdered | β | Equiv.forall_congrmap_rel_iff |
WellQuasiOrdered
Theorems
WellQuasiOrderedLE
Theorems
| Name | Kind | Assumes | Proves | Validates | Depends On |
|---|---|---|---|---|---|
finite_of_isAntichain π | mathematical | IsAntichainPreorder.toLE | Set.Finite | β | IsAntichain.finite_of_wellQuasiOrderedwellQuasiOrdered_le |
to_wellFoundedLT π | mathematical | β | WellFoundedLTPreorder.toLT | β | WellFoundedLT.eq_1isWellFounded_iffRelEmbedding.wellFounded_iff_isEmptyinstIsStrictOrderLtwellQuasiOrdered_leLT.lt.not_geRelEmbedding.map_rel_iff |
wqo π | mathematical | β | WellQuasiOrdered | β | β |
(root)
Definitions
| Name | Category | Theorems |
|---|---|---|
WellQuasiOrdered π | MathDef | |
WellQuasiOrderedLE π | CompData |
Theorems
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